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June 2013

MOU-RBA@LISTS.UMN.EDU

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From:
Julian Sellers <[log in to unmask]>
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Julian Sellers <[log in to unmask]>
Date:
Fri, 14 Jun 2013 16:25:11 -0600
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On Tuesday, 6/11, and again today, I heard a probable Kentucky Warbler singing regularly in Battle Creek Park, St. Paul.  I’ve marked the location on this Google map:  https://maps.google.com/maps/ms?ie=UTF8&hl=en&oe=UTF8&msa=0&msid=210992007790339495719.0004df23b3a9aa444a01a .

When I first heard it, I assumed it was a Mourning Warbler, but after hearing two Mourning Warblers in the same woods, I came to believe that this could be a Kentucky Warbler.  This morning, I spent a couple of hours trying in vain to see the bird.  I got some pretty good audio recordings of it as well as recordings of the two Mourning Warblers located a few hundred yards away.  I have compared my recordings of this bird with recordings of the Mourning Warblers that I made this morning and with Cornell recordings of a Kentucky Warbler and a very similar-sounding Mourning Warbler.  To me, the sound says Kentucky.  I  have also made sonograms for comparison.  The sonogram of the Battle Creek bird is practically identical to that of a Cornell Kentucky Warbler, but very different from that of the similar-sounding Mourning Warbler.  I have uploaded images of these sonograms to this web album:  View Album .

If you go to look for this bird, please stay on the trails and do not use playback.

Julian
St. Paul

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